In situ preparation of polypropylene/1-butene alloys using a MgCl2-supported Ziegler-Natta catalyst

European Polymer Journal

Volumn 44, Issue 4, 2008, Pages 1130-1139

  Machado, Fabricio ^a,b   Lima, Enrique Luis ^b   Pinto, José Carlos ^b   McKenna, Timothy F ^a  

^a UMR 5265   (France)

^b FEDERAL UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

1 Butene; Propylene; Sequential polymerizations; Ziegler Natta catalysts

Indexed keywords

CATALYSTS; POLYMERIZATION; POLYPROPYLENES;

LIQUID POOL PROPYLENES; SEQUENTIAL POLYMERIZATIONS; ZIEGLER-NATTA CATALYSTS;

ALLOYS;

EID: 41149136535     PISSN: 00143057     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.eurpolymj.2008.01.021     Document Type: Article

References (27)

1. Lieberman R.B., and Lenoir R.T. Manufacturing. In: Moore E.P. (Ed). Polypropylene handbook polymerization, characterization, properties, processing, applications (1996), Hanser Publishers, New York 287-302
2. Machado F., Enrique L., Lima, Pinto J.C., and McKenna T.F. Macromolecular properties synthesis of propylene/1-butene copolymers with Ziegler-Natta catalyst in gas-phase copolymerizations, 1. Kinetics and macromolecular properties. Macromol Chem Phys 206 (2005) 2333-2341
3. 2-supported Ziegler-Natta catalyst. Macromol Mater Eng 291 (2006) 540-551
4. Mark FG, Bikales NM, Overberger CG, Menges G. Encyclopedia of polymer science technology. 2nd ed. vol. 12. John Wiley & Sons, New York; 1987.
5. Fu Z., Xu J., Zhang Y., and Fan Z. Chain structure and mechanical properties of polyethylene/polypropylene/poly(ethylene-co-propylene) in-reactor alloys synthesized with a spherical Ziegler-Natta catalyst by gas-phase polymerization. J Appl Polym Sci 97 2 (2005) 640-647
6. Xu J., Feng L., Yang S., Wu Y., Yang Y., and Kong X. Separation and identification of ethylene-propylene block copolymer. Polymer 38 17 (1997) 4381-4385
7. Xu J., Fu Z., Fan Z., and Feng L. Temperature rising elution fractionation of PP/PE alloy and thermal behavior of the fractions. Eur Polym J 38 (2002) 1739-1743
8. 2 lCl. Polym Int 43 (1997) 45-54
9. Hongjun C., Xiaolie L., Xiangxu C., Dezhu M., Jianmin W., and Hongsheng T. Structure and properties of impact copolymer polypropylene. II. Phase structure and crystalline morphology. J Appl Polym Sci 71 (1999) 103-113
10. Hongjun C., Xiaolie L., Dezhu M., Jianmin W., and Hongsheng T. Structure and properties of impact copolymer polypropylene I. Chain structure. J Appl Polym Sci 71 (1999) 93-101
11. Fu Z., Fan Z., Zhang Y., and Xu J. Chain structure of polyethylene/polypropylene in-reactor alloy synthesized in gas phase with spherical Ziegler-Natta catalyst. Polym Int 53 8 (2004) 1169-1175
12. Xu J., Jin W., Fu Z., and Fan Z. Composition distributions of different particles of a polypropylene/poly(ethylene-co-propylene) in situ alloy analyzed by temperature-rising elution fractionation. J Appl Polym Sci 98 1 (2005) 243-246
13. Mckenna T.F., Bouzid D., Matsunami S., and Sugano T. Evolution of particle morphology during polymerisation of high impact polypropylene. Polym React Eng 11 2 (2003) 177-197
14. Bouzid D., and McKenna T.F. Improving impact poly(propylene) morphology and production: selective poisoning of catalyst surface sites and the use of antistatic agents. Macromol Chem Phys 207 (2006) 13-19
15. Xu J., and Linxian F. Characterization of microstructure of polypropylene alloys. Polym Int 47 4 (1998) 433-438
16. Fan Z.Q., Zhang Y.Q., Xu J.T., Wang H.T., and Feng L.X. Structure and properties of polypropylene/poly(ethylene-co-propylene) in situ blends synthesized by spherical Ziegler-Natta catalyst. Polymer 42 (2001) 5559-5566
17. 4 catalyst system. Macromol Chem Phys 202 10 (2001) 1987-1994
18. Machado F, Lenzi MK, Pinto JC. Software para Aquisição de Dados de Reações de Polimerização. ADPol versão 2.0, Manual do Usuário, PEQ/COPPE/UFRJ, Rio de Janeiro; 2003.
19. Matos V., Moreira M., Neto A.G.M., Melo P.A., Nele M., and Pinto J.C. Method for quantitative evaluation of kinetic constants in olefin polymerizations, 3. Kinetic study of the hiPP synthesis. Macromol Mater Eng 1 1 (2007) 137-159
20. 13C NMR determination of the comonomer sequence distributions in propylene-butene-1 copolymers. Macromolecules 11 3 (1978) 592-597
21. Uozumi T., and Soga K. Copolymerization of olefins with Kaminsky-Sinn-type catalysts. Die Makromol Chem 193 4 (1992) 823-831
22. Latado A.L., Embiruçu M., Neto A.G.M., and Pinto J.C. Modeling of end-use properties of poly(propylene/ethylene) resins. Polym Testing 20 4 (2001) 419-439
23. Nele M., and Pinto J.C. Molecular-weight multimodality of multiple Flory distributions. Macromol Theory Sim 11 (2002) 293-307
24. Flory P.J. Molecular size distribution in linear condensation polymers. J Am Chem Soc 58 10 (1936) 1877-1885
25. Box M.J. A new method of constrained optimization and a comparison with others methods. Comp J 8 (1965) 42-52
26. IMSL STAT/Library User's Manual, Version 2.0; IMSL: Houston; 1991.
27. Wunderlich B. Macromolecular physics: crystal melting vol. 3 (1980), Academic Press, New York p. 61-4